Home / 28,238,563.68-38,967,580.71-15,847,500.08

Finding the Fourth Proportional to 28,238,563.68, 38,967,580.71 and 15,847,500.08

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Solution

The fourth proportional to 28,238,563.68, 38,967,580.71 and 15,847,500.08 is: 21,868,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238,563.68 : 38,967,580.71 = 15,847,500.08 : x
  2. Step 2: Convert to fraction form
    28,238,563.68/38,967,580.71 = 15,847,500.08/x
  3. Step 3: Cross multiply
    28,238,563.68x = 38,967,580.71 × 15,847,500.08
  4. Step 4: Simplify right side
    28,238,563.68x = 617,538,738,224,293.50
  5. Step 5: Solve for x
    x = 617,538,738,224,293.50/28,238,563.68
  6. Step 6: Final answer
    x = 21,868,631.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.